This document provides information about purchasing an Emerson 486533900 Rectifier -48v 85AMP Power Supply from Launch 3 Telecom. It describes the product, payment and shipping options, warranty, and additional services offered by Launch 3 Telecom such as repairs, maintenance contracts, de-installation, equipment testing, and storage. Customers can purchase the product by phone, email, or by clicking a link to send a request for quote. Same day shipping is available with order tracking provided.